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Homologated on the public highway, respects the regulatory displacement of 50cc.
Here is a very good small 50cc cast iron kit for mécaboite driving DERBI euro 3 and 4, it is the BARIKIT Racing model with a bore diameter Ø39.90 mm. This cast iron model therefore offers a regulatory displacement of 50cc of torque and power to be in order and to circulate every day, solid thanks to the cast iron alloys used. Racing model with stud bolt to be tightened and fixed with 2 additional screws in addition to the 4 cylinder head nuts and the 3 clamping screws on the cylinder head like the original.
Its cast iron cylinder therefore has 5 intake transfers including 1 at the rear and 4 at the side. Its admission has been reworked, we also recommend fitting a 17.5mm PHBG carburettor on the cylinder or even 19mm if you slightly rework the intake, the exhaust outlet is also significantly improved thanks to its 2 boosters and its oval shape.
Diagrams well studied for this small cast iron thus offering light performances and a greatly improved recovery compared to the original model, especially coupled to the good compression ratio offered by the hemispherical combustion chamber, polished finish of the stud cylinder head. This kit does not neglect the torque and the solidity with its well-designed two-segment piston with an identical skirt widened to the bases, two resistant chrome segments favoring the couple but also the rise in speed due to the smoothness of the latter (1 mm) .
The advantage of this set is its relatively low price, you will have a powerful, torquey and very solid engine! A very good basis of preparation also for the more connoisseurs wishing to have fun every day or to circulate on the circuit. The cooling system is also improved thanks to the stud bolt.
We advise you to accompany this high engine with at least: 17.5 mm carburetion, intake pipe in flexible racing assembly, reinforced crankshaft and bearings for the best and start again on a completely new engine without problems, new racing spark plug, oil 100% synthetic engine, sport exhaust ....
The pack contains:
-Cylinder cast iron Ø39.90 mm 5 transfers and oval exhaust outlet to boost
-High compression racing cylinder head hemispherical chamber with stud
-Piston 39.90 mm bi segment
-2 Fine chrome segments 1 mm thick
-Piston axis Ø12 X 33 mm
-Crab type piston clips
-Pack full seal
As an option we offer a stage 1 preparation, this preparation is a modification of the exhaust port by increasing the diagrams and improving the duct, it increases the performance of the cylinder. An improvement to the bottom of the skirt is also included in this modification. Allow a little extra time for this preparation!
Specific References
Reference: P-475
An essential piston for the maintenance of your cast iron cylinder with several sizes to choose from to best suit your factory or rebored cylinder.
Reference: S/12
Indispensable to revive your high engine in the event of compression losses, priming or tightening.
Reference: CUL-748
The replacement cylinder head for the BARIKIT Racing cast iron kits in diameter 39.90mm on DERBI EURO 3 and 4.
Reference: JUN-748
Replacement seal pack strongly recommended after each disassembly and assembly of your BARIKIT cast iron kits.
Reference: CIL-748
Solid and efficient, a cylinder / piston without cylinder head ideal to respect the 50cc displacement and to circulate every day 5 transfers, oval exhaust with ooster, dual piston segments ....
Reference: 020840399
A fairly powerful kit in mono-segment, to accompany the AIRSAL cylinder head!
Reference: 479510
A kit more powerful than the origin with a very good solidity.
Reference: 034000
The latest cast iron from CARENZI, the high cast iron engine which brings a very good performance gain on DERBI euro 3 and 4 while preserving the solidity and the legal displacement of 50cc.
Reference: 472591
Here is a kit much cheaper than the original but of excellent quality!
Reference: 480588
A very good 50cc kit which will bring you great performance as well as excellent reliability. Surely one of the best value for money on the market.
Reference: 129.0596/GT
Already available with us, the very latest from FURYTECH! More powerful, more torquey, ...
Reference: 010840399
A kit much more efficient than the original while keeping a very good solidity.
Reference: IM2
The latest cast iron from MVT , the high cast iron engine which brings a very good performance gain on DERBI euro 3 and 4 while preserving the solidity and the legal displacement of 50cc.
Reference: 3112977
A high performance kit reserved for competition in 50cc, very worked diagrams with a very studied architecture!
Reference: 504642
The latest cry from DOPPLER , the high cast iron engine which brings a good performance gain on DERBI euro 3 and 4 while preserving the solidity and the legal displacement of 50cc.
Reference: EQ-748
Solid and efficient, a complete high engine ideal to respect the 50cc displacement and to circulate every day 5 transfers, oval exhaust with booster rocket, high compression cylinder head, two piston segments ....
Reference: P400105100003
High quality high performance kit for DERBI euro 3 and 4.
Reference: 031000L
A very good little cast iron kit with exhaust boosters for DERBI euro 3 and euro 4, legal displacement respected, increased performance and lower price!
Reference: 9927100
A high performance racing engine, solid and reliable for derbi euro 3 and 4. Kit with stud cylinder head ..
Reference: 466945
A very good quality kit that will offer excellent strength and all this at a low price!
Reference: S6-7019302
A kit STAGE 6 efficient and reliable for EURO 3 and 4 50cc derbi.